#include <stdio.h>
#include <string.h>
#include <ctype.h>

void copy(char* a,char* b);

void sl(char* a, char* b, char* c);

int main()
{
    char a[100];
    char b[100];
    fgets(a,99,stdin);
    fgets(b,99,stdin);
    char copy_str[100];
    char sli[200];
    copy(a,copy_str);
    for (size_t i = 0; i < strlen(copy_str); i++){
        printf("%c",copy_str[i]);
    }
    printf("\n");
    sl(a,b,sli);
    for (size_t i = 0; i < strlen(sli); i++){
        printf("%c",sli[i]);
    }
    printf("\n");
    return 0;
}

void copy(char* a, char* b)
{
    int o = 0;
    for(size_t i = 0; i < strlen(a); i++){
        if(isprint(a[i])){
            b[o] = a[i];
            o++;
        }
    }
    b[o] = '\0';
}

void sl(char* a, char* b, char* c){
    int o = 0;
    for (size_t i = 0; i < strlen(a); i++){
        if(isprint(a[i])){
            c[o] = a[i];
            o++;
        }
    }
    for (size_t i = 0; i < strlen(b); i++){
        if(isprint(b[i])){
            c[o] = b[i];
            o++;
        }
    }
    c[o] = '\0';
}